"A Mac running Sierra 10.12.2 has 169 trusted root certificate authorities." and how many intermediate CAs?pic.twitter.com/kXjepHeyZ6
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"A Mac running Sierra 10.12.2 has 169 trusted root certificate authorities." and how many intermediate CAs?pic.twitter.com/kXjepHeyZ6
About 10,000, but why is that important?
the more you trust the larger your threat model is
Nah, just embrace Certificate Transparency and CAA :)
how many clients implement these though?
If Chrome does it in May, it will be a good start. But I was referring to monitoring, not enforcement, for example https://www.hardenize.com/blog/certificate-transparency-monitoring …
IIUC you can't detect the MITM attack if the client doesn't have CT and doesn't report the new certificate. I'm not sure if mobile apps (which use the web PKI a lot for some reason) will ever implement CT.
or anything that is not a web browser.
I am not saying they will, but why do you think other clients won’t implement CT enforcement? (Just curious to hear the argument.)
Probably because there hasn't been a lot of interest outside of the browsers? But then the web PKI shouldn't be used outsides of browsers anyway.
DNS over TLS …
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